extern int sys_setup();
extern int sys_exit();
extern int sys_fork();
extern int sys_read();
extern int sys_write();
extern int sys_open();
extern int sys_close();
extern int sys_lseek();
extern int sys_pause();
extern int sys_sync();
extern int sys_dup();

fn_ptr sys_call_table[72] = {sys_setup, sys_exit, sys_fork, sys_read, sys_write, sys_open, sys_close, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, sys_lseek, 0, 0, 0, 0, 0, 0, 0, 0, 0, sys_pause, 0, 0, 0, 0, 0, 0, sys_sync, 0, 0, 0, 0, sys_dup};